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-rw-r--r--otherlibs/unix/unixLabels.mli2
1 files changed, 2 insertions, 0 deletions
diff --git a/otherlibs/unix/unixLabels.mli b/otherlibs/unix/unixLabels.mli
index 91636c6a8..7494d4f7b 100644
--- a/otherlibs/unix/unixLabels.mli
+++ b/otherlibs/unix/unixLabels.mli
@@ -239,6 +239,8 @@ type open_flag = Unix.open_flag =
| O_SYNC (** Writes complete as `Synchronised I/O file integrity completion' *)
| O_RSYNC (** Reads complete as writes (depending on O_SYNC/O_DSYNC) *)
| O_SHARE_DELETE (** Windows only: allow the file to be deleted while still open *)
+ | O_CLOEXEC (** Set the close-on-exec flag on the
+ descriptor returned by {!openfile} *)
(** The flags to {!UnixLabels.openfile}. *)